The copyright situation of this work is theoretically uncertain, because in the country of origin copyright lasts 80 years after the death of the author, and the date of the author's death is unknown. However, the date of creation of the work was over 130 years ago , and it is thus a reasonable assumption that the copyright has expired (see here for the community discussion). Do not use this template if the date of death of the author is known.

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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office ) before January 1, 1929.

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Note that a few countries have copyright terms longer than 80 years: Mexico has 100 years and Jamaica has 95 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term .